Fluorescent lamp having an external electrode on the outer surfa

Details Fluorescent lamp having an external electrode on the outer surfa Fluorescent lamp having an external electrode on the outer surfa

1997-09-09

1999-08-03

O'Shea, Sandra

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313234, 313491, 313493, 313607, 313631, 313634, 313635, H01J 162, H01J 6304, H01J 1100, H01J 6500

Patent

active

059329602

ABSTRACT:
There is provided a fluorescent lamp comprising a tubular glass bulb, a fluorescent layer formed on an inner surface of the tubular glass, an external electrode provided on an outer surface of the tubular glass bulb, and an internal electrode provided on the inner surface of the tubular glass bulb, wherein the internal electrode formed from a conductive member is fixed on the inner surface of the tubular glass bulb by a glass having a low melting point to be in close contact with the inner surface of the tubular glass bulb. This makes it possible to arrange the tubular glass bulb and the internal electrode which have different thermal expansion coefficients without any problem due to resonance with vibration.

REFERENCES:
patent: 5757132 (1998-05-01), Matsuno et al.
patent: 5763999 (1998-06-01), Matsuno et al.

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